/Engine/Source/Runtime/Engine/Public/Model.h
If iPlane==INDEX_NONE, a node has no coplanars. Otherwise iPlane is an index to a coplanar polygon in the Bsp. All polygons that are iPlane children can only have iPlane children themselves, not fronts or backs.
struct FBspNode
union FBspNode:...
@1246
IBack: 4Indexto node in front (in direction of Normal).
int32
ComponentElementIndex
The index of the element in theUModelComponent's Element array.
uint16
ComponentIndex
The index inULevel::ModelComponentsof theUModelComponentcontaining this node.
uint16
ComponentNodeIndex
The index of the node in theUModelComponent's Nodes array.
int32
iBack
int32[1]
iChild
int32
iCollisionBound
int32
iFront
int32[2]
iLeaf
int32
iPlane
int32
iSurf
int32
iVertexIndex
The index of the node's first vertex in theUModel's vertex buffer.
int32
iVertPool
uint8[2]
iZone
uint8
NodeFlags
uint8
NumVertices
FPlane4f
Plane
Persistent information.